<div class="box">
Lorem Ipsum
<div class="post">Lorem Ipsum</div>
</div>
<div class="box-rem">
Lorem Ipsum
<div class="post">Lorem Ipsum</div>
</div>
:root {
font-size: 50px;
}
body {
font-size: 30px;
}
.post {
font-size: 1.2em;
}
.box-rem .post {
font-size: 1.2rem;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.